You can also exchange it for a new box if you're having technical difficulties. A technician usually installs your cable and cable box, but you can remove a Comcast cable box and return or exchange it by yourself.
Eat vitamin A each day to keep your digestive system healthy. The surface of your digestive tract is made up of mucosal tissues. These tissues secrete compounds that help with digestion -- the mucosal lining in your stomach, for example, secretes stomach acid -- and also absorb the nutrients from your food.
If you find your stomach is still bothered by the vitamin, try taking buffered vitamin C. Buffered vitamin C is a combination of vitamin C and calcium, magnesium and potassium ascorbates. Taking vitamin C in this combination can help those with sensitive stomachs.